Owner`s manual

ManualsBrandsCraftsman ManualsLawn Mower917.372451

BRIGGS/STRATTON

4-CYCLE ENGINE

MODEL NO. 124702

TYPE NO. 3121-01

REF PART REF PART REF PART

NO, NO. DESCR)PTION NO. NO, DESCRIPTION NO. NO, DESCRIPTION

54 94526

1 493260

2 293708

Note:

3 "'393862

5 213610

7 **272200

8 399717

9 *'271904

9A "'272238

10 94222

1 t 231685

12 "'272t98

13 94547

15 93418

16 493362

Note:

493279

**399761

94220

492177

222698

493262

493385

493386

493387

RING SETS:

Cylinder Assembly

Bushing -Cylinder

Requires special tools

for instaffation

Scot-Oil

Head _Cyiinder '

Gasket - Cyffndor Hd

Breather--Valve

Chamber

Gasket--Valve Cover

Gasket-Baffle PIate

Screw*Breather

Mounting Sam

Tube--Breather

Gasket _ Crankcase

Screw _ Cylinder Hd

Plug _Oi_ Drain

Crankshaft

Order 94388 For Timing

Gear Key

Sump _ Engine

Seal-Oil

Screw-Bump Mtg Sam

Flywheel--Magneto

Key--Flywheel

Piston Assy -Standard

Piston Assy --010" 0 S

Piston Assy --020" 0 S

Piston Assy _030-" O S

Note: For Chrome Piston

Ring Set-Standard

Size_Order Part No

493391

26 493261 Ring Set-Std, Piston

493388 Ring Set-- 0!0" O,S

Piston

493389 Ring Set-020 _" O,S

Piston

493390 Ring Sat-,030" OS

Piston

27 26026 Lock-Piston Pin

28 298909 Pin Assembly--Piston _

Standard

298908 Pin Assembly - Piston-

.005" 0 .S

29 490566 Rod Assembly-

Connecting

Note: For Connecting Rod

with 020 °' undersize

Crankp{n Bearing-

Order No. 490743

32 94405 Screw--Connecting Rod

33 262651 Valve-Exhaust

34 262652 Valve -)make

35 262224 Sprlng-Valve

40 93312 Retainer-Valve Spring

Used with valves with

goove in stem

45 262204 Tappet --Vaive

48 492830 Gear-Cam

47 492524 Oil Stinger Gear and

Bracket

52 **272199 Gasket--intake Elbow

"Included in Carburetor Overhaul Kit--Part

No, 492495

Screw-Intake Elbow

Mounting

55 492831 Housing- Row)no Starter

56 492832 Pulley--Rewind Starter

57 262594 Spring-Rewind Starter

58 280399 Rope--Rewind Starter

[Cut To 88 5/8")

59 396892 Insert--Handle

60 393152 Handle-Rewind Starter

65 94058 Screw-Guard Mounting

69 280973 Washer- Rewind Starter

69A 224322 Washer- Rewind Starter

81 223664 Lock-Muffler Screw

95 94098 Screw--Throttle Valve

Mounting Sere

88 398185 Screw- Idle Adjustment

9BA 493280 Screw Assy--Speed Adj

104 "231371 Pin-Float Hinge

116 "t Gasket- Seating

(Sold in Kit Only)

117 " .Jet

{Sold in Kit Only_

1"_8 492945 Valve and Spring

Needle

t21 492495 Carburetor Overhaul Kit

124 94525 Screw-Carburetor Mtg

125 493627 Carburetor Assembly

127 * Plug--Welch

t$old in Kit Only)

130 223470 Valve -Throttle

131 493267 Shaft and Lever-

Throttle

133 398187 Roar Assy -Carburetor

! 34 "398186 Valve - _nlet

(_nciudes Seat)

137 "t Gasket-Bowl

(So_d _n Kit Oniy)

163 ''272257 Gasket--Air Cleaner

187 492790 Hose--Fuel

188 398540 Screw--Tank Mount|ng

II_cludes Washer}

201 262579 Link--Governor

209 262860 Spring--Governor

227 492349 Lever Assembty-Gov

230 67072 Washer-Governor Crank

268 94512 Screw-Hex Heed

284 94511 Screw--Hex Head

300 490547 Muffler- Exhaust

304 493293 Housing-- Blower

305 94513 5crew-Hex Head Sere

306 224324 Shield-Cylinder

307 94515 Screw--Hex Head

324 224251 Screen- Rotating

332 92284 Nut-Rywhee_

333 802574 Armature- Magneto

334 93381 Screw-Armature

Mounting Sere

337 298809 Plug-Spark tWith

Gasket) (I_.112"' H_gh-

37,42 M,M }

353 94581 Locknut

356 398806 Wire-Ground

358 493263 Gasket Set

363 19069 PuIler-Rywheef

IO,_tional Accessory)

383 89838

, 387 394281

456 224250

456 224321

459 492833

461 282626

4_7 280857

515 262556

515A 262625

523 492350

524 280967

525 280929

528 399254

529 280943

562 92613

572 224328

592 231082

601 93053

Note:

608 493295

613 94231

615 94474

616 262578

617 "1270344

620 493635

621 396647

625 492717

634 "1

635 66538

670 280512

741 262598

842 280966

851 22179a

869 213512

870 213513

871 262001

Note:

922 262640

923 492918

949 280946

955 493637

957 493017

956 493277

966 492363

967 491586

968 280937

969 94120

971 94269

972 493636

975 493640

977 490937

1016 224278

"*fncfuded in Gasket Sat-Part No 493263

Wrench-Spark Plug

Primer Assembly

Cup- S_arter

Retainer- Rewind Starter

PawI- Starter

Pin-Statler

Knob- Speed Control

Spring-Pawl

Sprlng-Torsi0n

Cap with Dipstick-

el! Filler

Seal-Filler Tube

Tube-- Oi! Filler

Hose-- Primer

Grommet _ Breather

Bolt-Governor Lever

Baffle- Cylinder

Nut -Hex

C_amp--Hose

(Green)

93807 Clamp- Hose

(Black}

Starter Assy-Rewtnd

Screw-Muffler Mtg

Pushnut (Governor

Crank)

Crank -Governor

Seal-Fuel lntake Tube

Bracket Assembly-

Carburetor Control

Switch _ Stop

Tube--Fuel Intake

Washer _Throttle Shaft

(Sold in Kit Only)

Elbow-Spark Plug

Spacer- Fuol Tank

Gear -Timing

Seal-O'Ring

Terminel_tgnilien

Cable

Seat- Intake Valve

IStandard)

Seat- Exhaust Va(ve

{Standardl

Guide-- Exhaust Velve

63709 Guide-Intake

Valve

See Repair Instruction

Menus|

Spring - 6rake

Brake Assembly

Guard-Finger

Screw-Bowl Mtg

Cap Assemb|y--Fuet

Valve _Fuel Shut-Off

Base-Air Cleaner

Filter-Air

Cover-Air Cleaner

Screw - Cover Mtg

Screw-Air Cleaner

Tank Assembly- Fuel

Bowl Assembly-

Carburetor

Gasket Set- Carburetor

Cover - Rewind Starter

tlncluded in Carburetor Gasket Set-Part

No 490937